<template>
  <div class="login-container">
    <el-form class="login-form" autoComplete="on" :model="loginForm" :rules="loginRules" ref="loginForm"
             label-position="left">
      <div class="title-container">
        <h3 class="title">管理员登录</h3>
        <lang-select class="set-language"></lang-select>
      </div>
      <el-form-item prop="name">
        <span class="svg-container svg-container_login">
          <svg-icon icon-class="user"/>
        </span>
        <el-input name="name" type="text" v-model="loginForm.name" autoComplete="on" placeholder="请输入用户名"/>
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password"/>
        </span>
        <el-input name="password" :type="passwordType" @keyup.enter.native="handleLogin" v-model="loginForm.password"
                  autoComplete="on" placeholder="请输入密码"/>
        <span class="show-pwd" @click="showPwd">
          <svg-icon icon-class="eye"/>
        </span>
      </el-form-item>

      <el-button type="primary" style="margin-left: 210px;width:120px;margin-bottom:30px;" :loading="loading"
                 @click.native.prevent="handleLogin">登录
      </el-button>
      <el-button type="primary" style="width:100px;margin-bottom:30px;" :loading="loading"
                 @click.native.prevent="handleRegister">注册
      </el-button>

      {{loginForm}}
      <div class="tips">
        <span>{{$t('login.username')}} : admin</span>
        <span>{{$t('login.password')}} : 随便写</span>
      </div>
      <div class="tips">
        <span style="margin-right:18px;">{{$t('login.username')}} : editor</span>
        <span>{{$t('login.password')}} : 随便写</span>
      </div>

      <el-button class="thirdparty-button" style="margin-right: 5px" type="primary" @click="showDialog=true">第三方登录
      </el-button>
    </el-form>

    <el-dialog :title="$t('login.thirdparty')" :visible.sync="showDialog">
      {{$t('login.thirdpartyTips')}}
      <br/>
      <br/>
      <br/>
      <social-sign/>
    </el-dialog>

  </div>
</template>

<script type="text/ecmascript-6">
  import {isvalidUsername} from '@/utils/validate'
  import LangSelect from '@/components/LangSelect'
  import SocialSign from './socialsignin'

  export default {
    components: {LangSelect, SocialSign},
    name: 'login',
    data() {
      const validateUsername = (rule, value, callback) => {
        if (!isvalidUsername(value)) {
          callback(new Error('请输入正确的用户名。'))
        } else {
          callback()
        }
      }
      const validatePassword = (rule, value, callback) => {
        if (value.length < 6) {
          callback(new Error('密码不能少于六个字符。'))
        } else {
          callback()
        }
      }
      return {
        loginForm: {
          name: '',
          password: ''
        },
        loginRules: {
          username: [{required: true, trigger: 'blur', validator: validateUsername}],
          password: [{required: true, trigger: 'blur', validator: validatePassword}]
        },
        passwordType: 'password',
        loading: false,
        showDialog: false
      }
    },
    methods: {
      showPwd() {
        if (this.passwordType === 'password') {
          this.passwordType = ''
        } else {
          this.passwordType = 'password'
        }
      },
      handleLogin() {
        this.$refs.loginForm.validate(valid => {
          if (valid) {
            this.loading = true
            this.$store.dispatch('/admin/login', this.loginForm).then(() => {
              this.loading = false
              this.$router.push({ path: '/' })
            }).catch(() => {
              this.loading = false
            })
          } else {
            console.log('error submit!!')
            return false
          }
        })
      },
      afterQRScan() {
        // const hash = window.location.hash.slice(1)
        // const hashObj = getQueryObject(hash)
        // const originUrl = window.location.origin
        // history.replaceState({}, '', originUrl)
        // const codeMap = {
        //   wechat: 'code',
        //   tencent: 'code'
        // }
        // const codeName = hashObj[codeMap[this.auth_type]]
        // if (!codeName) {
        //   alert('第三方登录失败')
        // } else {
        //   this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
        //     this.$router.push({ path: '/' })
        //   })
        // }
      }
    },
    created() {
      // window.addEventListener('hashchange', this.afterQRScan)
    },
    destroyed() {
      // window.removeEventListener('hashchange', this.afterQRScan)
    }
  }
</script>

<style rel="stylesheet/scss" lang="scss">
  $bg:#2d3a4b;
  $light_gray:#eee;

  /* reset element-ui css */
  .login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
  input {
    background: transparent;
    border: 0px;
    -webkit-appearance: none;
    border-radius: 0px;
    padding: 12px 5px 12px 15px;
    color: $light_gray;
    height: 47px;
  &:-webkit-autofill {
     -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
     -webkit-text-fill-color: #fff !important;
   }
  }
  }
  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
  }
</style>

<style rel="stylesheet/scss" lang="scss" scoped>
  @import "src/styles/mixin.scss";
  $bg:#2d3a4b;
  $dark_gray:#889aa4;
  $light_gray:#eee;

  .login-container {
  @include relative;
    height: 100vh;
    background-color: $bg;
  .login-form {
    position: absolute;
    left: 0;
    right: 0;
    width: 520px;
    padding: 35px 35px 15px 35px;
    margin: 120px auto;
  }
  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;
  span {
  &:first-of-type {
     margin-right: 16px;
   }
  }
  }
  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  &_login {
     font-size: 20px;
   }
  }
  .title-container {
    position: relative;
  .title {
    font-size: 26px;
    font-weight: 400;
    color: $light_gray;
    margin: 0px auto 40px auto;
    text-align: center;
    font-weight: bold;
  }
  .set-language {
    color: #fff;
    position: absolute;
    top: 5px;
    right: 0px;
  }
  }
  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
  .thirdparty-button {
    position: absolute;
    right: 35px;
    bottom: 28px;
  }
  }
</style>
